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Newsletters on Stratigraphy - Volume 21

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Volume 21 Number 3
Volume 21 Number 2
Volume 21 Number 1

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Number 3

Revision of the Beyrichoceras Ammonoid-Biozone (Dinantian), NW Europe

Riley, N. J.

p. 149-156, published: 3/30/1990
2 figures 

Middle to Late Albian Biostratigraphy of the Cuchillo Formation from Sierra De Sapell„, Mexico

Al-Rifaiy, I.; Varol, O.; Lemone, D.

p. 187-200, published: 3/30/1990
3 figures  3 plates 

Number 2

3. South America and Antarctic Peninsula; 3.1 Lower Jurassic of South America and Antarctic Peninsula

Riccardi, A. C.; Damborenea, S. E.; Manceñido, M. O.; Baldoni, A.; Ballent, S.; Gasparini, Z.; v. Hillebrandt, A.; Quattrocchio, M. E.; Volkheimer, W.; Zavattieri, A. M.

p. 75-103, published: 1/12/1990
10 plates 

3. South America and Antarctic Peninsula; 3.2 Middle Jurassic of South America and Antarctic Peninsula

Riccardi, A. C.; Westermann, G. E. G.; Damborenea, S. E.; Baldoni, A. M.; Ballent, S.; Bonaparte, J. F.; Manceñido, M. O.; Gasparini, Z.; Quattrocchio, M. E.; Scafati, L. H.; Thomson, M. R. A.; Volkheimer, W.

p. 105-128, published: 1/12/1990
10 plates 

3. South America and Antarctic Peninsula 3.3 Upper Jurassic of South America and Antarctic Peninsula

Riccardi, A. C.; Leanza, H. A.; Volkheimer, W.; Bonaparte, J. F.; Cione, C. A.; Gasparini, Z.; Pramparo, M.; Quattrocchio, M. E.; Thomson, M. R. A.

p. 129-147, published: 1/12/1990
7 plates 

Number 1

Base of the Upper Devonian in the Conodont Zonation

Johnson, J. G.

p. 11-14, published: 8/30/1989
1 figures 

A review of the stratigraphy of Dange Formation (Paleocene), Northwestern Nigeria

Okosun, Edward A.

p. 39-47, published: 8/30/1989
4 figures 

Tal Formation of Himalaya - a century old stratigraphic riddle nearing solution

Ahluwalia, Arun D.; Gupta, Vishwa J.

p. 49-58, published: 8/30/1989
2 figures 

Stratigraphic revisions for a key Ordovician/Silurian boundary section, Anticosti Island, Canada

Copper, Paul; Long, Darrel G. F.

p. 59-73, published: 8/30/1989
4 figures